(under subclass 41) Subject matter wherein mounted or rimless lenses are movably connected to glassless spectacle frames or glassless support rods to swing from an operative position in the line of vision to an inoperative position above the eyes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
57+, for spectacles including lenses with additional lenses which pivot in and out of the optical path.
60, for spectacles whose lenses are mounted on or suspended from rods or bars, and which may be adjusted along the rod or bar.
